6-[(E)-1-methyl-2-(2-methyl(oxazol-4-yl))vinyl](5S,3R,4R,6R)-3,5-dimethyl-4-(triphenylsilyloxy)-tetrahydro-2H-pyran-2-one

tert-butyl 2-{6-[(E)-1-methyl-2-(2-methyl(oxaszol-4-yl))vinyl](3S,4S,2R,5S,6R)-3,5-dimethyl-4-(triphenylsilyloxy)-tetrahydro-2H-pyran-2-yl}acetate

(2R,4R,6R)-2-[4-((E)-2-[(2R,3S,4S,5S,6R)-3,5-dimethyl-6-[2-(trimethylsilyloxyethyl)]-4-(triphenylsilyloxy)-tetrahydro-2H-pyran-2-yl]prop-1-enyl)(1,3-oxazol-2-yl)]-methyl-4-methoxy-2-(triethylsilyloxy)-6-(triethylsilyloxymethyl)-tetrahydro-2H-pyran-2-ol